diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index b78d7a64..22a017d0 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -8,6 +8,7 @@ A new entry should update **contents.json** with this format:
             "category-ids": ["Category id"],
             "description": "What this app does",
             "source": "Link to source, usually GitHub",
+            "itunes": "Link to App Store",
             "screenshots": ["http://something.com/image.png"],
             "date_added": "Aug 6 2016",
             "suggested_by": "@github_username"